2 years ago

Someone help me quickly plzzz

Mathematics

2 answers:

natali 33 [55]2 years ago

8 0

Where’s the question

Black_prince [1.1K]2 years ago

4 0

Answer:

what is the question I don't see it

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andreyandreev [35.5K]

Answer:

20??? wow I feel stupid I forgot how to do everything

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2 years ago

In Mohammad’s class, 80% of the students are boys. There are 24 boys in the class. What is the total number of students in Moham

irina1246 [14]

Answer:

30 students

Step-by-step explanation:

80% of N = 24 where N is the total number of students

.80 N = 24

N = 24 / .80 = 30

sorry this was a late response

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3 years ago

2/3 a -1/6=1/3 <br> Solve the equation

Taya2010 [7]

Step-by-step explanation:

a=3/4

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3 years ago

What is the area of the entire shape if the red trapezoid has an area of 1 square inch?

mr Goodwill [35]

It would be 1 square inch. You can't make a trapezoid cause if you tried to it would turn into a square.

5 0

3 years ago

Emma has money into savings accounts. One rate is 8% and the other is 12%. If she has $450 more in the 12% account and the total

AveGali [126]

Let's say that the value invested in the account with a rate of 8% is "x", then the amount invested in the account with a rate of 12% is:

$x+450$

To calculate the total interest we need to calculate the interest of each individual account and sum them:

$\begin{gathered} \frac{8}{100}\cdot x=0.08\cdot x \\ \frac{12}{100}\cdot(x+450)=0.12\cdot x+54 \end{gathered}$

The total interest is the sum of the two expressions above:

$\begin{gathered} 220=(0.08\cdot x)+(0.12\cdot x+54) \\ 220=0.08\cdot x+0.12\cdot x+54 \\ 220-54=0.2\cdot x \\ 166=0.2\cdot x \\ 0.2\cdot x=166 \\ x=\frac{166}{0.2} \\ x=830 \end{gathered}$

The value invested in the account with 8% interest is 830, the one invested in the account with 12% interest is 1280.

7 0

1 year ago